Almost half of the world's states provide bilateral development assistance. While previous research takes the set of donor countries as exogenous, this article is the first to explore the determinants of aid donorship. We hypothesize that democratic institutions reduce poor countries' likelihood...

This report provides data and insights on the role of grant funding and concessional financing in meeting the Sustainable Development Goal for water (SDG 6, known as the water SDG). These sources of funding are collectively referred to in this report as aid flows to the water sector. This report...

This paper shows that the increased policy-selectivity of aid allocations observed in recent years provides recipient countries an incentive to improve policies. The paper estimates that a change in the World Banks Country Policy and Institutional Assessment policy index from 1.5 to 2 for a...